&TechnicalDataR-21 WaterMeterSelectionGuides PositiveDisplacementMeters METERSIZE MODEL 5⁄8"&5⁄8"×3⁄4" SRII 3⁄4"&3⁄4"×1" SRII 1" SRII 5⁄8"&5⁄8"×3⁄4" SR 3⁄4"&3⁄4"×1" SR 1"&1"×11⁄4" SR 11⁄2" SR 2" SR *Shortversion**Flangedendversion AWWANORMALFLOW(gpm) 1-202-303-501-202-303-505-1008-160 AWWAMINIMUMFLOW(gpm) 1⁄41⁄23⁄41⁄41⁄23⁄411⁄22 AWWACONTINUOUS FLOW(gpm) 1015251015255080 CompoundMeters LAYINGLENGTH(inches) 71⁄29-71⁄2* 103⁄471⁄2 9-71⁄2*103⁄4 125⁄8-13**151⁄4-17** PRESSURELOSS (psi@gpm) 7.0@209.0@307.3@5010.8@2011.0@3010.9@5011.4@10012.1@160 METERSIZE NORMALOPERATINGFLOW RANGE(gpm) LOWFLOWACCURACY95%MINIMUM(gpm) LAYINGLENGTH(inches) PRESSURELOSS (psi@gpm) 2" 2-160 1⁄
4 3" 4-320 1⁄
2 4" 6-500 3⁄
4 6" 10-1000 11⁄
2 151⁄
4 5.1@160 17 4.2@320 20 3.1@500 24 13.9@1000 8"* 16-1600
2 75 14.5@1600 *8"Manifoldassemblyconsistsoftwo(2)4"poundmeters,four(4)gatevalves,two(2)flangedcouplingadaptersandtwo(2)8"reducingmanifolds. Turbo-Meters operating maximum laying LAYING PRESSURELOSS METERSIZE MODEL rangecontinuous (gpm) FLOWintermittent (gpm) lengthflangeends(in.) LENGTHw/strainer (inches) (psi@gpm) meter withstrainer 11⁄2"W-120DR11⁄2"W-120DRS 4-1204-120 R160 13" — 13.5@120 — 160 13" 13" — 15.4@120 2"W-160DR 4-160 200 10"* 171⁄4" 5.6@1606.5@160 2"W-160DRS 4-160 200 17" 17" — 12.0@160 3"W-350DR 5-350 450 12" 191⁄4" 5.9@3506.8@350 3"W-350DRS 5-350 450 19" 19" — 7.1@350 4"W-1000DR 15-1000 1250 14" 231⁄4" 3.6@10006.1@1000 6"W-2000DR 30-2000 2500 18" 271⁄8" 3.5@20006.2@2000 8"W-3500DR 35-3500 4400 20" 301⁄8" 5.8@35008.3@3500 10"W-5500DR 55-5500 7000 26" 411⁄8" 3.5@55006.1@5500 16"W-10000DR250-10,000 12,500 297⁄8" 48" 3.5@10,0005.3@10,000 *LayinglengthofW-160withscrewedendsis12". R-21